MULTIQUIP MTX SERIES Service Manual Download Page 11

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Remove the EX bar (57) by unscrewing 4 pcs

bolts (58).

Remove the muffler guard (52) and the link

guard (51) by unscrewing 4 pcs bolts (63)

and 2 pcs bolts (56).

Remove the engine guard (60) as per follow-

ing terms

i) In case of MTX-60 / 70

Remove the engine guard (60) by unscrew-

ing 4 pcs bolts (61).

ii) In case of MTX-80 / 90

Remove the engine guard (60) by unscrew-

ing 4 pcs nuts (65) and 2 pcs bolts (72).

Disconnect the fuel hose from the carburetor

side. Disconnect the wire harness of

combination lever and the curl cord of hour &

tachometer from the engine. (fig.2)

Remove the speed control wire by loosening

a pan head screw and 2 pcs M6 nuts. (fig.3)

(1) Disassembly

Remove the intake pipe (34) by loosening a

flat screw of cyclone clamp (35).

Remove the engine as per following terms.

i) In case of MTX-60 / 70

ii) In case of MTX-80 / 90

(1)

Unscrew 4 pce nuts (29) and remove

the engine from the crankcase slowly by

having it firmly with both of hands.

(2)

Remove the engine flange(26) by un-

screwing 4 pcs flange bolts (28).

(1)

Unscrew 2 pcs flange nuts (27) and 2

pcs bolts (28), and remove the engine

from the crankcase slowly by having it

firmly with both of hands.

(2)

Remove the engine flange (26) from the

crank case by unscrewing 4 pcs flange

bolts (29).

fig.2

Ground

terminal

wire harness

connector

Curl cord

Clamp

Nut (M6)

fig.3

Pan head screw

Speed control wire

17.6N

・

(13.0ft

・

lbf)

No.

Size

Socket Head Bolt

M8X30

Apply Loctite

#221

Tightening

torque

Remarks

53.9N

・

(39.8ft

・

lbf)

No.

Size

Flange Nut M10

Tightening

torque

Remarks

22.5N

・

(16.6ft

・

lbf)

No.

Size

Flange Bolt M10X40

Flange Bolt M10X30

MTX-60

MTX-70

Tightening

torque

Remarks

19.6N

・

(14.5ft

・

lbf)

No.

Size

Flange Bolt M8X30

Tightening

torque

Remarks

19.6N

・

(14.5ft

・

lbf)

19.6N

・

(14.5ft

・

lbf)

No.

Size

Nut M8

Apply Loctite

#221

Socket Head Bolt

M8X20

Tightening

torque

Remarks

53.9N

・

(39.8ft

・

lbf)

53.9N

・

(39.8ft

・

lbf)

No.

Size

Flange Nut M10

Bolt M10X70

Tightening

torque

Remarks

Socket Head Bolt

M8X20, PW

19.6N

・

(14.5ft

・

lbf)

No.

Size

Apply Loctite

#221

Tightening

torque

Remarks

Summary of Contents for MTX SERIES

Page 1: ...SERVICE M MA AN NU UA AL L M MT TX X S SE ER RI IE ES S R RA AM MM ME ER RS S TOOLS DISASSEMBLY DIAGRAMS TROUBLESHOOTING Manual No MTX2015SM ...

Page 2: ...cer birth defects and other reproductive harm Some examples of these chemicals are Lead and lead based paint Crystalline silica from bricks Cement and other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals ALWAYS work in a well ventilated area and wor...

Page 3: ...checks and adjustments Troubleshooting Work area Clothing and protective gear Cautions during refueling Preventing burns and accidentally being caught in the machine Tools and equipment etc Use of genuine parts and genuine oils Tightening torque of bolts and nuts Handling of wastes Engine Guide cylinder and Spring cylinder Crankcase Handle Combination lever 1 1 1 1 2 2 2 2 3 3 3 4 5 5 6 7 7 10 12 ...

Page 4: ... or death Denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in serious injury or death Denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in injury to people and may damage or destroy the product Precautions without a...

Page 5: ...ially the hook and anti vibration rubber for any damage and loosened or missing bolts Stop the engine while hoisting Use a sufficiently strong wire rope For safety reasons do not hoist to a height that is highter than necessary Do not use a wire rope if it is damaged For hoisting use only the one point hoisting hook and do not hoist at other parts such as the handle When using a hydraulic shovel a...

Page 6: ... result in unexpected accidents such as breakage and break down of the machine while in use Store waste engine oil lubrication oil and fuel in a container Never release such wastes on the ground or discharge them in side ditches Handle them in compliance with the applicable laws and other regulations her than necessary Be careful not to cause accidents while operating the hoisting equipment Also m...

Page 7: ... cross 5 Metal and plastic hammers 6 Sealing compound Locktite 221 and 242 7 Molybdenum grease 8 Grease for combination lever C1 Z P N 9800 10420 10 Pressing machine 11 Special tool Clutch puller A P N 9810 10400 Clutch puller B P N 9839 10020 Spring cylinder remover P N 9830 10040 Piston end remover P N 9839 10010 Clutch mounter P N 9830 10060 Piston rod holder P N 9839 10090 Socket head bolt 8X5...

Page 8: ...k for abnormal noise and jump during operation 1 2 3 4 1 2 6 ENGINE AND OIL Model Engine type Idling engine speed Setting speed Fuel tank capaity Lubricant for Body Capacity of Lubricant for Body Lubricant for Engine Capacity of Lubricant for Engine Fuel MTX 70 1900 2000 3800 4100 MTX 60 1900 2000 3800 4100 2 2 1 Honda GX100U KRBF 0 65 0 69 0 28 0 30 rpm rpm liters quart liters quart liters quart ...

Page 9: ... heated for disassembly Use the specified standard tightening torque See Table 2 and bonding agent Loctite 221 and 242 or the like when tightening the bolts and nuts And clean the bolts and nuts before tightening them or coating with bonding agent to them 1 2 3 4 5 6 7 8 Screw diameter M6 M8 M10 M12 M14 The caller screws materials Aluminum type SS FCD Aluminum type Helisert N m Kgf cm ft lbf N m K...

Page 10: ...25 2 26 28 29 34 51 63 52 57 111 61 59 59 58 53 36 35 60 56 75 53 63 63 51 60 56 57 58 56 52 59 63 63 53 63 59 53 66 62 34 36 35 25 1 111 23 24 25 2 82 79 28 29 27 26 71 73 72 65 fig 1 8 DISASSEMBLY AND REASSEMBLY 8 1 Disassembly and reassembly the Engine 7 ...

Page 11: ...h both of hands 2 Remove the engine flange 26 by un screwing 4 pcs flange bolts 28 1 Unscrew 2 pcs flange nuts 27 and 2 pcs bolts 28 and remove the engine from the crankcase slowly by having it firmly with both of hands 2 Remove the engine flange 26 from the crank case by unscrewing 4 pcs flange bolts 29 F G fig 2 Ground terminal wire harness connector Curl cord Clamp Nut M6 fig 3 Pan head screw S...

Page 12: ...ng the engine is completed above H I J Reassemble with the reversed procedure of disassembly with attention to the following terms Replace the clutch with new one if it is dam aged Degrease the engine shaft when assembling the clutch Tighten a bolt which is fixing the clutch by fixing the clutch with the clutch mounter P N 9830 10060 fig 7 Adjust the operating speed of engine as table 1 The well n...

Page 13: ...ase and the guide cylinder Lift the crankcase and separate the connect ing rod and the piston rod by removing the piston pin 1 fig 10 38 78 4N m 57 8ft lbf No Size Nylon Nut M12 Tightening torque Remarks 22 53 9N m 39 8ft lbf No Size Bolt M10X35 SW Tightening torque Remarks Apply Loctite 221 17 39 2N m 28 9ft lbf 39 2N m 28 9ft lbf No Size Oil Drain Plug 30 Oil Fill Plug Tightening torque Remarks ...

Page 14: ...emover P N 9830 10040 there Then unscrew 6 pcs remaining bolts after tightening the center bolt of the spring cylinder remover fig 15 Piston end remover Special tool Center bolt 5 117 6N m 83 7ft lbf No Size Bolt M12X30 Fine Pitch Thread Tightening torque Remarks Apply Loctite 221 fig 13 Spring cylinder remover Special tool Center bolt fig 14 Piston rod holder Special tool 11 Rear Engine side Fron...

Page 15: ...main spring 9 as a set with upper and lower when replacing it Replace the bellows 23 with new one if it is damaged The bellows 23 is easy to install by applying grease to inner wall of its opening Be careful not to pinch and to twist the O ring when assembling the spring cylinder 12 and guide cylinder 20 Apply molybdenum grease to inner sliding parts of spring cylinder 12 guide cylinder 20 and mai...

Page 16: ...crewing 4 pcs bolts 32 which fixing it fig 20 Remove the front cover 106 by shocking it with the plastic hammer after unscrewing 8 pcs bolts 21 which fixing it fig 21 Remove the stop ring 11 which fixing bear ing 10 through the hole of crank gear 101 with the snap ring plier fig 22 Remove the crank gear by tightening 2 pcs M8x50 full threaded bolts P N 0091 10044 to threaded holes which installed ...

Page 17: ...t Reassemble with the reversed procedure of disassembly with attention to the following terms Replace the damaged fuel hoses 19 103 104 with new one Be careful not too tightening the tapping screws 22 which is fixing the hour tachometer and the meter finisher because the threaded holes of the meter finisher made by plastic is broken by over tightening torque 1 Disassembly 5 2 Disassembly and reass...

Page 18: ... pcs tapping screw 16 fig 30 Reassemble with the reversed procedure of disassembly with attention to the following terms Assemble the fuel cock after fitting the posi tion of groove between the fuel cock and the stop switch Apply grease for combination lever P N 9800 10420 to the O ring 17 and the groove of the fuel cock In case of the threaded hole was broken by too over screwing the tapping scre...

Page 19: ...deformity cracks damage Dirt oil level Dirt oil level Leaks fuel level dirt Leaks wear looseness Replace once after the first 20 hours Clean adjust gap Replace Replace Cleaning Replace Oil etc Engine oil Engine oil Gasoline Engine oil Engine oil Engine oil Lamp kerosene Daily maintenance Carefully wipe off any mud dirt or oil from each component If oil leaks retighten the joints and check again Ma...

Page 20: ...6 Secondary element clean every 100 to 150 hours When the secondary element under the primary element becomes dirty wash it with neutral detergent solution and dry it well Then reuse it fig 37 38 Be sure to check the fuel line for damaged or looseness Replace the fuel line every 2 years even if it does not show any abnormality Cleaning the machine body If you want to clean the machine body using h...

Page 21: ...ter is clogged The air hole in the cap on the fuel tank is clogged Air is trapped in the fuel line 2 Faulty operation Too little power Engine overheats Smoke comes from the muffler Good compression and no misfiring Good compression but misfires Black smoke Blue smoke White smoke Dirt in the air cleaner Air trapped in the fuel line Carbon has accumulated in the cylinder Faulty ignition coil Dirt on...

Page 22: ...Multiquip Inc MTX Series Rammers Manual No MTX2015SM Corporate Headquarters Multiquip Inc 18910 Wilmington Ave Carson Ca 90746 ...

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