Ramsey H 700 User Manual

Ramsey Winch Company

OPERATING, SERVICE AND

MAINTENANCE MANUAL

MODEL H 700 DOW-LOK® EQUIPPED

INDUSTRIAL LOW-MOUNT WINCHES

(WITH 20,000 LB RATING)

CAUTION: Read and understand this manual before installation and operation of winch. See Safety
Precautions.

Table of Contents

Warranty Information 1

Specifications 1

Techniques of Operation 2

Warnings 2

Winch Maintenance 3

Winch Mounting 4

Cable Installation 4

Hydraulic System Requirements 5

Performance Charts 5

Typical Hydraulic Layout 5

Trouble Shooting Guide 6

Instructions for Overhaul 7-12

Dimensional Drawings 13

Parts List and Parts Drawing 14-15

Notes 16-17

Warranty 18

PLEASE READ THIS MANUAL CAREFULLY

This manual contains useful ideas in obtaining the most efficient operation from your Ramsey winch
and safety procedures one needs to know before operating a Ramsey winch. Do not operate this
winch until you have carefully read and understand the “WARNINGS” and “OPERATION” sections of this
manual.

WARRANTY INFORMATION

Ramsey winches are designed and built to exacting specifications. Great care and skill go into every
winch we make. If the need should arise, warranty procedure is outlined on the back of your self­addressed, postage paid warranty card. Please read and fill out the enclosed warranty card and send
it back to Ramsey Winch Company. If you have any problems with our winch, please follow
instructions for prompt service on all warranty claims. Refer to back page of this manual for limited
warranty.

SPECIFICATIONS

(lbs.) 20,000 16,500 14,000 12,200 10,800

Rated Line Pull (lbs.)
(kg)
Gear Reduction
Shipping Weight:
Layer of Cable

*Rated line pull per
layer

*Cable Capacity

*Line speed H 700

(575 Worm RPM @ 30

GPM)

* These specifications are based on recommended wire rope of .56 inch (15mm) diameter
6x19 extra improved plow steel cable

Note: The rated line pulls shown are for the winch only. Consult wire
rope

manufacturer for wire rope ratings. ** Fifth layer does not conform to SAE J706

20,000

9,070

35:1

258 LB

1 2 3 4 5**

(kg) 9,070 7,480 6,350 5,530 4,890

(ft)* 20 50 85 125 170

(m)* 6 15 25 38 51
FPM

MPM

22 26 31 35 40

6,7 7,9 9,4 10,6 12,1

1

TECHNIQUES OF OPERATION

2

The best way to get acquainted with how your winch operates is to make test runs before you actually

1

use it. Plan your test in advance. Remember to listen to your winch, as well as to watch how it
operates. Get familiar with the sounds of a light steady pull, a heavy pull, and sounds caused by load
jerking or shifting. Gain confidence in operating your winch and its use will become second nature to
you.
The uneven spooling of cable, while pulling a load, is not a problem, unless there is a cable pile-up on
one end of the drum. If this happens, reverse the winch to relieve the load and move your anchor
point further toward the center of the vehicle. After the job is done, you can unspool and rewind for a
neat lay of the cable.
The Dow-lok® clutch provides freespooling and clutch engagement with the cable drum. With the
clutch disengaged, the cable can be freespooled off the drum. For winching the load, the clutch must
be fully engaged with the drum.
Notches on the shifter shaft engage the bracket to positively latch the Dow-lok® clutch in the
engaged, “IN” position or the disengaged, “OUT” position.
TO DISENGAGE CLUTCH raise handle so notch clears bracket. Push handle in and latch the shaft notch
onto bracket.
TO ENGAGE CLUTCH raise handle so notch clears bracket. Pull handle out as far as it will go. The
clutch will automatically spring into engagement and latch when the clutch aligns with the drum shaft.
In order to attain full engagement, internal elements of the clutch MUST be aligned. This alignment
will take place when cable drum or cable shaft turns a maximum of ¼ revolution.

DO NOT ATTEMPT TO LIFT A LOAD UNLESS NOTCH IN SHIFTER SHAFT IS SECURELY LATCHED. KEEP CLEAR OF
SPRING LOADED HANDLE DURING AUTOMATIC ENGAGEMENT.

WARNINGS

CLUTCH MUST BE TOTALLY ENGAGED BEFORE STARTING THE WINCHING OPERATION.
DO NOT DISENGAGE CLUTCH UNDER LOAD.
DO NOT LEAVE CLUTCH ENGAGED WHEN WINCH IS NOT USE.
STAY OUT FROM UNDER AND AWAY FROM RAISED LOADS.
STAND CLEAR OF CABLE WHEN PULLING, DO NOT TRY TO GUIDE CABLE.
DO NOT EXCEED MAXIMUM LINE PULL RATINGS SHOWN IN TABLE.
DO NOT USE WINCH TO LIFT, SUPPORT, OR OTHERWISE TRANSPORT PEOPLE.
A MINIMUM OF 5 WRAPS OF CABLE AROUND THE DRUM BARREL IS NECESSARY TO HOLD THE LOAD. CABLE
ANCHOR IS NOT DESIGNED TO HOLD LOAD.

WINCH MAINTENANCE

Adhering to the following maintenance schedule will keep your winch in top condition and performing
as it should with a minimum of repair.

WEEKLY

1. Check the oil level and maintain it to the oil plug level. If oil is leaking out, determine location
and repair.

2. Check the pressure relief plug in top of gear housing. Be sure that it is in good operating
condition so that hot oil gasses may escape.

3. Lubricate cable with light oil.

MONTHLY

1. Lubricate the various grease fittings located in the drum cable, end bearing, clutch housing or
operating linkage. Any good grade of moly-disulfide containing grease is acceptable.

2. Check the action of the locking ring. Make sure it is spring loaded and free to move fully
against the cable drum in the engaged position and that it is pulled fully away from the cable
drum and latched when disengaged.

3. Check the winch mounting bolts. If any are missing, replace them and securely tighten any
that are loose. Make sure to use only Grade 5 bolts or better.

4. Check alignment of chain and sprockets and adjust as required to minimize wear.

5. Inspect the cable. If the cable has become frayed with broken strands, replace immediately.

ANNUALLY

1. Drain the oil from the winch annually or more often if the winch is used frequently.

2. Fill the winch to the oil level plug with clean kerosene. Run the winch a few minutes with no
load in the direction. Drain the kerosene from the winch.

3. Refill the winch to the oil plug level with all purpose E.P. 140 gear oil.

4. Inspect frame and surrounding structure for cracks or deformation.

5. Gear wear can be estimated by rocking the drum back and forth and if necessary
drain oil and remove cover for closer inspection.

3

WINCH MOUNTING

It is most important that this winch be mounted securely so that the three major sections (the clutch
housing end, the cable drum, and the gear housing end) are properly aligned.

All standard model H 700 series winches are furnished with recommended mounting angles. Angle
size is ½ x 3 x 3 high strength steel angle.

CABLE INSTALLATION

The H 700 Dow-lok® winch has two tapered pockets cast into the drum. One pocket is for installations
with the wire rope wound over the drum. The other pocket is for an underwound wire rope. When
properly used, the wedge pocket design is one of the most secure anchoring methods available.

1. Unwind cable by rolling it out along the ground to prevent kinking. Securely wrap end of

wire rope opposite hook, with plastic or similar tape to prevent fraying.

2. Slide the wire rope through narrow end of the pocket against drum flange and wrap the wire

rope around the anchor “puck” and pull the wire rope and anchor back into the wide end of
the pocket. Use a soft hammer to drive the back side of the wire rope, firmly seating the
rope and anchor into the pocket.

3. Carefully run the winch in the “reel in” direction. Keeping tension on the end of the cable,

spool all the cable onto the cable drum, taking care to form neatly wrapped layers.

4

HYDRAULIC SYSTEM REQUIREMENTS

Refer to the performance charts below to properly match your system to H 700 Dow-lok

®

winch

performance. The charts consist of:

1. Line pull (lb) first layer vs. working pressure (PSI). Static (solid line) refers to hoisting a
suspended load from rest; Dynamic (dotted line) refers to maintaining the motion of a moving
load.

2. Line speed first layer (FPM) vs. Gallons per minute (GPM).

Performance based on a motor displacement of 11.9 cubic inches with 30 GPM maximum flow rate.
See page 13 for motor port size.

PERFORMANCE CHARTS

TYPICAL LAYOUT

DUAL-A & B PORT CONTROL

HIGH PRESSURE LINE
(.75 I.D. MINIMUM)

PUMP INLET
LINE (SUCTION)

MOTOR

A

PUMP

B

(MOTOR SPOOL OR CYLINDER SPOOL)

CONTROL VALVE

3 POSITION

4 WAY VALVE

LOW PRESSURE LINE
(1.13 I.D. MINIMUM)

FLUID

RESERVOIR

5

TROUBLESHOOTING GUIDE

CONDITIONS POSSIBLE CAUSE CORRECTION

CLUTCH INOPERATIVE OR
BINDS UP

CLUTCH HANDLE WON’T
LATCH

OIL LEAKS FROM HOUSING

LOAD DRIFTS DOWN

1. Dry or rusted shaft. 1. Clean and Lubricate.

2. Bent yoke or linkage 2. Replace yoke or shaft
assembly.

1. Debris in clutch. 1. Clean and lube per page 11.

1. Seal damaged or worn. 1. Replace seal.

2. Too much oil. 2. Drain excess oil. Refer to
Techniques of Operation.

3. Damaged gasket. 3. Replace gasket.

1. Counterbalance valve not

1. Replace Counterbalance valve.

functioning properly.

WINCH RUNS TOO SLOW

CABLE DRUM WILL NOT
FREESPOOL

CABLE BIRDNESTS WHEN
CLUTCH IS DISENGAGED

HYDRAULIC FLUID LEAKS
FROM HOLE IN ADAPTER

1. Hydraulic motor worn out. 1. Replace motor.

2. Low flow rate. 2. Check flow rate. Refer to
Hydraulic Systems flow chart,
page 5.

1. Winch not mounted squarely,

causing end bearings to bind

1. Check mounting. Refer to
Winch Mounting, page 4.

1. Drag brake disc worn. 1. Replace discs.

1. Damaged motor shaft seal. 1. Replace seal.

6

INSTRUCTIONS FOR OVERHAUL OF RAMSEY MODEL H 700 DOW-LOK®

DIS-ASSEMBLY

Refer to parts list and parts drawing pages for actual
item numbers and corresponding parts numbers.

(1)

Drain oil from gear housing by removing pipe plug (item #54)
from gear housing. Shift clutch into the engaged "IN" position.
Remove frame angles (item #4) from winch assembly.

15

32

(3)

Slide the locking ring (item #9) from the clutch. NOTE: The
locking ring cannot be removed unless the clutch is engaged,
with dowel pins (item #55) seated in the shaft keyways.
Rotate the drum so the eight balls (item #24) and four dowel
pins (item #55) can be removed.
If necessary, the clutch (item #8) may be disassembled from the
drum by removing eight capscrews (item #34). Slide drum
(item #12) from drum shaft.
Retain springs (item 62), drag brake shoes (item 11), and brake
spacers (item # 67) for re-assembly.

61

30

59

63

21

7

44

4

35

4

54

(2)

Remove two capscrews (item #32) from clutch housing
(item #15) and unlatch shifter assembly. Remove clutch housing
from end of drum shaft. Press in on retainer plate (item #59), to
relieve the spring tension and remove the retainer ring (item
#61). Remove four capscrews (item #30), retainer plate (item
#59), springs (item #63) and spacer (item #21).

9

34

8

55

24

12

62

67

11

11

67

62

(4)

Remove counterbalance valve (item #65) from motor (item
#51) by removing (3) capscrews (item #39). Remove motor
from adapter plate (item # 20) by removing capscrews (item
#40). Remove adapter plate and coupling (item #2) from
adapter (item #3) by unscrewing (6) capscrews (item #38).

Remove key (item #16) from worm shaft. Unscrew (6)
capscrews (item #38) and remove adapter from gear housing.
Replace adapter seal (item #25) and gasket (item # 47).

25

22

7

47

36

25

(6)

Remove gear housing cover (item #10) from gear housing
(item #14) by removing (8) capscrews (item # 33). Thread
(2) of the capscrews into the (2) tapped holes of cover and
tighten. This will pull the cover loose from the gear housing.

Remove cover gasket (not shown) and pull shaft (item #18)
with gear (item #13) and spacer (item #52) from gear
housing.

8

16

47

25

3

38

2

20

39

65

40

38

51

(5)

Remove worm cap (item #7) by removing (6) capscrews (item
#36).Remove worm (item #22) and bearings (item #25) from
gear housing. Use a soft hammer to gently tap input end of worm
driving worm and bearing from gear housing. Once worm has
been removed from housing, bearing can be pressed from end of
worm.

Check for signs of wear or damage to worm (item # 22) and
bearings (item #25). Replace if necessary.

14

52

18

13

10

33

(7)

Check for signs of wear on gear teeth. If necessary replace
gear.

18

17

13

(9)

Check gear housing bushing (item #5) and o-ring (item #52) for
signs of wear. Replace if necessary by pressing old bushings
from gear housing (item #14). Press new bushing into place and
insert new o-ring (item #52) into groove inside of bushings.

28

12

27

(8)

If shaft or gear is damaged, replace as follows:

a. Tap keys (item #17) into short keyways of drum shaft.
b. Press shaft (item #18) and keys through gear (item

#13) until end of keys on long end of shaft are flush
with hub.

14

5

52

(10)

Check drum bushings (items 27 & 28) for signs of wear. Replace
if necessary by pressing old bushings from drum (item #12).
Press bushing (item #27) into bore in drum until the flange is
seated against bottom of counterbore. Press bushing (item #

28) into opposite bore on drum until end of bushing extends .50”
from end of drum.

9

(11)

Check end bearing bushing (item # 28) for signs of wear. If
necessary remove old bushing and press new bushing into place.

28

52

5

10

(12)

Check cover bushing (item #5) and o-ring (item #52) for signs
of wear. Replace if necessary by pressing old bushing from gear
housing cover (item #10). Press new bushing into place and
insert new o-ring (item # 52) into groove inside of bushing.

RE-ASSEMBLY

(13)

Slide spacer (item # 52) over long end of shaft and place against
gear hub. Apply grease to end of shaft opposite gear. Apply
grease to bushing in gear housing (item # 14). Place greased
end of shaft through bushing in gear housing (item #14). Place
gasket (not shown) onto gear housing cover (item #10). Apply
grease to gear end of shaft and cover bushing. Place cover onto
shaft and secure to housing with (8) capscrews (item #33).
Tighten capscrews to 39 ft lb (52 Nm) each.

14

52

18

13

10

33

25

22

7

47

36

(14)

Place bearing (item #25) onto worm (item #22). Note: Be sure
that thick shoulder of bearing’s outer race (side with
manufacturer’s name and part number) is out, away from worm
threads. Press bearing and worm into gear housing. Slip gasket
(item #47) onto worm cap (item #7). Use (6) capscrews (item
# 36) to secure worm to gear housing. Tighten capscrews to 45
ft lb (61 Nm) each.

25

10

39

65

38

51

2

20

3

38

16

47

60

40

(16)

Place winch with gear housing cover down on workbench. Drum
shaft should be in vertical position. Set springs (item # 62) into
pockets of gear housing with drag brakes (item #11) on top of
disc (item #67) and springs. Slide drum assembly (item #12)
onto drum as shown.

9

34

8

55

24

12

62

67

11

11

67

62

(15)

Attach adapter (item #3) to gear housing using (6) capscrews
(item #38). Tighten capscrews to 45 ft lb (61 Nm) each. Insert
key (item # 16) into keyway of worm shaft. Slide coupling (item
#2) over end of worm shaft. Attach adapter plate (item #20) to
adapter using (6) capscrews (item # 38). Tighten capscrews to
45 ft lb (61 Nm) each.

Place motor shaft, with key in keyway, into coupling. Secure
motor (item #51) to adapter using (2) capscrews (item #40).
Tighten capscrews to 102 ft lb (138 Nm) each. Attach
counterbalance valve (item #65) with (3) capscrews (item
#39).

12

11

67

62

11

67

62

(17)

Place clutch (item #8) over end of drum shaft. Align the clutch
over the pilot bushing in drum. Install the (8) capscrews (item #

34) and torque the capscrews to 103 ft lb (139 Nm) to securely
seat the clutch to the drum.

Rotate the drum to align the clutch slots with the shaft keyways.
Lightly grease (4) dowel pins and (8) balls. Use molybdenum
disulfide or graphite bearing grease. Insert the (4) dowel pins
(item #55) and (8) balls (item #24). In the engaged position the
balls are nearly flush with the clutch.

Lightly grease the internal and external groove and bore in locking
ring (item # 9) and clutch (item #8).

Slide locking ring onto the clutch. When fully engaged, the
locking ring touches the clutch flange and there is .71 to .73
inches between the locking ring and the end of the clutch.

11

(18)

Place (4) springs (item # 63) over (4) roll pins on retainer plate
(item #59). Install spacer (item #21) and retainer plate and
secure to clutch using (4) capscrews (item # 30). Tighten
capscrews to 9.7 ft lb (13 Nm) each. Firmly seat the retainer ring
(item # 61) into drum shaft groove.

Set the shifter assembly so that the screw heads engage the
external groove in the locking ring. Push the clutch housing (item
#15) onto the drum shaft and latch the shifter assembly in the
engaged “IN” position. Insert the (2) capscrews (item #32).

32

15

61

30

(19)

35

44

52 49

4

4

Attach mounting angles (item # 4) to winch assembly. Use
capscrews (item #35) and lockwashers (item #44) to secure.
Tighten capscrews to 173 ft lb (235 Nm). Insert plug (item #54)
into hole in bottom of gear housing. Remove plugs (items #52 &
#49) from top of gear housing. Pour 3 pints of E.P. 140 oil into
hole and replace plugs. Check the action of the clutch by shifting
and freespooling the winch drum several times.

54

(20)
The shift linkage on top of the clutch housing is adjusted at the factory

to provide reliable shifting of the Dow-lok

assembling, it may be necessary to re-adjust it as follows: Attach the
bracket (item #26) to the clutch housing with the capscrews (item
#31). Attach the shifter lever assembly to the yoke using the clevis pin
and cotter pin (items #45 & #46). With the clutch in the engaged “IN”
position, the notch in the shifter shaft should be latched onto the
bracket with a minimum of shaft end play so that the clutch is securely
latched “IN”. If adjustment is needed, loosen the large jam nut and
screw the shaft into or out of the clevis as needed. Securely tighten the
jam nut.

®

clutch. When re-

1

45

46

32

41

59

63

21

31

29

64

42

26

32

19

15

23

57

37

37

43

12

H 700 Less Brake With Counterbalance Valve Dimensional

13

44 35

4

35

44

56

27

36

7

47

25

14

49

53

62

67

11

17

18

56

56

56

13

66

5

17

16

62

11

67

12

H 700 Less Brake With Counterbalance Valve Parts Drawing

34

26

64

31

29

32

42

57

19

23

15

59

58

30

61

28

37

37

43

9

21

55

63

28

8

24

50

6

24

44

35

4

44

35

41

1

46

45

32

54

33

10

48

52

5

52

54

22

25

47

60

3

38

2

20

14

38

51

65

39

40

H 700 Less Brake With Counterbalance Valve Parts List

ITEM # Qty

1 1 276061 SHIFTER ASSEMBLY 35 8 414666 CAPSCREW-5/8-11UNC X 3.50 LG HX HD GR8 Z/P
2 1 299733 MOTOR COUPLING ASSEMBLY 36 6 414897 CAPSCREW 3/8-16NC X 1 LG SOC. HD.
3 1 300047 ADAPTER 37 2 414901 CAPSCREW-3/8-16 X .75 LG SOC HD
4 2 302120 MOUNTING ANGLE 38 12 414909 CAPSCREW 3/8-16NC X 1-1/2 LG SOC HD LOC-WEL
5 2 308080 BUSHING 39 3 414935 CAPSCREW 3/8-16NC X 2-1/2 LG SOC HD
6 1 314011 CABLE ANCHOR 40 2 414950 CAPSCREW 1/2-13NC X 1-3/4 LG SOC HD
7 1 316021 CAP-BEARING 41 2 416236 CAPSCREW #10-24 X 1/2 LG
8 1 324153 CLUTCH 42 2 418004 NUT #10-24

9 1 324320 LOCKING RING 43 2 418035 NUT 3/8-16NC
10 1 328123 GEAR HOUSING COVER 44 8 418237 LOCKWASHER-5/8 MED SECT Z/P
11 2 330010 SHOE-DRAG BRAKE 45 1 424005 COTTER PIN
12 1 332123 DRUM 46 1 424205 CLEVIS PIN
13 1 334194 WORM GEAR 47 2 442192 GASKET-BEARING CAP
14 1 338243 GEAR HOUSING 48 1 442193 GASKET-GEAR HSG COVER
15 1 338396 CLUTCH HOUSING 49 1 456008 FITTING-RELIEF1/8-27NPTF, 15 PSI MAX
16 1 342092 KEY 50 2 456031 LUBE FITTING
17 2 342142 KEY 51 1 458133 MOTOR-HYD (11.9) CU IN 2000 SERIES 104-1148
18 1 357437 DRUM SHAFT 52 2 462021 QUAD RING
19 1 358076 SHIFTER SHAFT 53 1 468002 REDUCER BUSHING
20 1 362189 ADAPTER PLATE 54 2 468011 PIPE PLUG
21 1 362229 SPACER 55 4 470042 ROLL PIN
22 1 368213 WORM 56 4 470044 DOWEL PIN
23 1 370049 YOKE 57 1 470045 ROLL PIN
24 8 400011 BALL-POPPET 3/8 DIA 58 4 470056 ROLL PIN
25 2 402045 BEARING 59 1 474031 RETAINER PLATE
26 1 408112 SHIFTER BRACKET 60 1 486068 SEAL
27 1 412053 BUSHING 61 1 490026 RETAINER RING
28 2 412054 BUSHING 62 2 494021 SPRING
29 1 413028 SHIFTER COVER 63 4 494069 SPRING
30 4 414038 CAPSCREW-1/4-20NC X .75 LG HX HD GR5 Z/P 64 1 494078 SPRING CLUTCH
31 4 414142 CAPSCREW 5/16-18NC X 3/4 LG, HXHD 65 1 516056 COUNTERBALANCE VALVE
32 2 414224 CAPSCREW-3/8-16 X 1.0 LG HX HD GR5, Z/P 66 1 518017 THRUST WASHER
33 8 414277 CAPSCREW 3/8-16NC X 1 LG HXHD GR5 NYLOK PATCH 67 2 530094 SPACER-BRAKE DISC
34 8 414571 CAPSCREW 1/2-20NF X 1 LG, HXHD, GR5

PART

NUMBER

DES CR IPTION ITE M # Qty

PART

NUMBER

DESCRIPTION

15

NOTES

16

NOTES

17

LIMITED WARRANTY

RAMSEY WINCH warrants each new RAMSEY Winch to be free from defects in material and workmanship for a period
of one (1) year from date of purchase.

The obligation under this warranty, statutory or otherwise, is limited to the replacement or repair at the Manufacturer's
factory, or at a point designated by the Manufacturer, of such part that shall appear to the Manufacturer, upon inspection
of such part, to have been defective in material or workmanship.

This warranty does not obligate RAMSEY WINCH to bear the cost of labor or transportation charges in connection with
the replacement or repair of defective parts, nor shall it apply to a product upon which repair or alterations have been
made, unless authorized by Manufacturer, or for equipment misused, neglected or which has not been installed correctly.

RAMSEY WINCH shall in no event be liable for special or consequential damages. RAMSEY WINCH makes no warranty
in respect to accessories such as being subject to the warranties of their respective manufacturers.

RAMSEY WINCH, whose policy is one of continuous improvement, reserves the right to improve its products through
changes in design or materials as it may deem desirable without being obligated to incorporate such changes in products
of prior manufacture.

If field service at the request of the Buyer is rendered and the fault is found not to be with RAMSEY WINCH's product, the
Buyer shall pay the time and expense to the field representative. Bills for service, labor or other expenses that have been
incurred by the Buyer without approval or authorization by RAMSEY WINCH will not be accepted

See warranty card for details.

RAMSEY WINCH COMPANY

Post Office Box 581510 Tulsa, Oklahoma 74158-1510

Telephone: [phone] FAX: [phone] OM-914213-0808-A

18